Monosebacate of pyrazole derivative
US8399418B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Dec 24, 2008 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Sep 1, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a novel form of 3-(3-{4-[3-(β-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide with improved storage stability. Since bis[3-(3-{4-[3-(β-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide]monosebacate has extremely excellent storage stability, it is useful as a drug substance. Furthermore, it shows an extremely good crystalline property and can be purified by a convenient method, and therefore is suitable for the industrial preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.